CN1539209A - 获取选通导频 - Google Patents
获取选通导频 Download PDFInfo
- Publication number
- CN1539209A CN1539209A CNA028155300A CN02815530A CN1539209A CN 1539209 A CN1539209 A CN 1539209A CN A028155300 A CNA028155300 A CN A028155300A CN 02815530 A CN02815530 A CN 02815530A CN 1539209 A CN1539209 A CN 1539209A
- Authority
- CN
- China
- Prior art keywords
- signal
- pilot signal
- bit sequence
- gating pilot
- relevant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7073—Synchronisation aspects
- H04B1/7075—Synchronisation aspects with code phase acquisition
- H04B1/70751—Synchronisation aspects with code phase acquisition using partial detection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7073—Synchronisation aspects
- H04B1/7085—Synchronisation aspects using a code tracking loop, e.g. a delay-locked loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7073—Synchronisation aspects
- H04B1/7075—Synchronisation aspects with code phase acquisition
- H04B1/7077—Multi-step acquisition, e.g. multi-dwell, coarse-fine or validation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7073—Synchronisation aspects
- H04B1/70735—Code identification
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/709—Correlator structure
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/70702—Intercell-related aspects
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Circuits Of Receivers In General (AREA)
- Burglar Alarm Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/927,869 | 2001-08-09 | ||
US09/927,869 US6795489B2 (en) | 2001-08-09 | 2001-08-09 | Acquisition of a gated pilot |
Publications (1)
Publication Number | Publication Date |
---|---|
CN1539209A true CN1539209A (zh) | 2004-10-20 |
Family
ID=25455382
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNA028155300A Pending CN1539209A (zh) | 2001-08-09 | 2002-08-08 | 获取选通导频 |
Country Status (9)
Country | Link |
---|---|
US (2) | US6795489B2 (ru) |
EP (1) | EP1425862B1 (ru) |
JP (2) | JP4184267B2 (ru) |
KR (1) | KR101017547B1 (ru) |
CN (1) | CN1539209A (ru) |
AT (1) | ATE386371T1 (ru) |
DE (1) | DE60225025T2 (ru) |
TW (1) | TW576059B (ru) |
WO (1) | WO2003015307A2 (ru) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6813478B2 (en) * | 2001-02-12 | 2004-11-02 | Qualcomm Inc | Method and apparatus for searching a gated pilot |
US6795489B2 (en) * | 2001-08-09 | 2004-09-21 | Qualcomm Inc. | Acquisition of a gated pilot |
US20040071199A1 (en) * | 2002-07-03 | 2004-04-15 | Commasic, Inc. | Virtual finger method and apparatus for processing digital communication signals |
US7760765B2 (en) * | 2003-05-31 | 2010-07-20 | Qualcomm, Incorporated | System and method for the reacquisition of a gated pilot |
US7092353B2 (en) * | 2003-10-17 | 2006-08-15 | Qualcomm Incorporated | Carrier search methods and apparatus |
KR100560386B1 (ko) * | 2003-12-17 | 2006-03-13 | 한국전자통신연구원 | 무선 통신 시스템의 상향 링크에서 코히어런트 검출을위한 직교주파수 분할 다중 접속 방식의 송수신 장치 및그 방법 |
US8027372B2 (en) * | 2004-06-18 | 2011-09-27 | Qualcomm Incorporated | Signal acquisition in a wireless communication system |
US8738056B2 (en) * | 2006-05-22 | 2014-05-27 | Qualcomm Incorporation | Signal acquisition in a wireless communication system |
US8929353B2 (en) * | 2007-05-09 | 2015-01-06 | Qualcomm Incorporated | Preamble structure and acquisition for a wireless communication system |
BRPI0712926B1 (pt) * | 2006-06-13 | 2019-11-12 | Qualcomm Inc | estrutura de preâmbulo e aquisição para um sistema de comunicação sem fio |
JP2009166550A (ja) | 2008-01-11 | 2009-07-30 | Mitsubishi Electric Corp | 車載機器遠隔制御システムおよび車載機器遠隔制御方法 |
US8165099B2 (en) * | 2008-12-18 | 2012-04-24 | Telefonaktiebolaget Lm Ericsson | Continuous packet connectivity (CPC) scheduler |
US8625572B2 (en) * | 2008-12-19 | 2014-01-07 | Nokia Corporation | Synchronization indication in networks |
US10097259B2 (en) | 2014-12-31 | 2018-10-09 | Hughes Network Systems, Llc | Satellite receiver doppler compensation using resampled satellite signals |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5471497A (en) | 1993-11-01 | 1995-11-28 | Zehavi; Ephraim | Method and apparatus for variable rate signal transmission in a spread spectrum communication system using coset coding |
BR9506273A (pt) | 1994-07-29 | 1997-08-12 | Qualcomm Inc | Método para determinar a sincronização da sequência pn em um sistema de comunicação de espectro de propagação por sequência direta e aparelho e sistema para selecionar uma sequência de demodulação sincronizada |
JP3376224B2 (ja) | 1996-10-23 | 2003-02-10 | 株式会社エヌ・ティ・ティ・ドコモ | Ds−cdma基地局間非同期セルラ方式における初期同期方法および受信機 |
US6157631A (en) | 1998-01-07 | 2000-12-05 | Motorola, Inc. | Method and system for generating and using synchronized and unsynchronized spread spectrum signals in a cellular communications system |
JP2911117B1 (ja) | 1998-02-09 | 1999-06-23 | 株式会社ワイ・アール・ピー移動通信基盤技術研究所 | Rake受信機 |
US6229842B1 (en) | 1998-07-16 | 2001-05-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Adaptive path selection threshold setting for DS-CDMA receivers |
JP2000078110A (ja) | 1998-08-31 | 2000-03-14 | Mitsubishi Electric Corp | Rake受信機,無線受信装置およびrake受信機のパス検出方法 |
FR2786966A1 (fr) * | 1998-12-08 | 2000-06-09 | Koninkl Philips Electronics Nv | Recepteur, systeme de telecommunications cdma et procede de synchronisation d'un recepteur avec une station d'emission d'un tel systeme |
JP3320667B2 (ja) * | 1998-12-21 | 2002-09-03 | 株式会社東芝 | スペクトラム拡散無線通信装置 |
JP2000307474A (ja) | 1999-04-20 | 2000-11-02 | Advantest Corp | Cdma通信方式の変調精度測定装置および測定方法 |
WO2000067399A1 (en) | 1999-04-29 | 2000-11-09 | Samsung Electronics Co., Ltd. | Appararus and method for synchronizing channels in a w-cdma communication system |
EP1214808B1 (en) | 1999-05-31 | 2004-03-10 | Samsung Electronics Co., Ltd. | Apparatus and method for gated transmission in cdma communication system |
US6363060B1 (en) | 1999-06-30 | 2002-03-26 | Qualcomm Incorporated | Method and apparatus for fast WCDMA acquisition |
US6487415B1 (en) | 1999-07-19 | 2002-11-26 | Lucent Technologies Inc. | Method for initiating call blocking based upon pilot fraction |
US6542743B1 (en) | 1999-08-31 | 2003-04-01 | Qualcomm, Incorporated | Method and apparatus for reducing pilot search times utilizing mobile station location information |
JP4607407B2 (ja) | 1999-11-03 | 2011-01-05 | クゥアルコム・インコーポレイテッド | ワイヤレス通信システムのための同期パイロット基準送信 |
US7065129B2 (en) * | 2001-06-29 | 2006-06-20 | Qualcomm, Inc. | Acquisition of a gated pilot by avoiding partial correlation peaks |
US6795489B2 (en) * | 2001-08-09 | 2004-09-21 | Qualcomm Inc. | Acquisition of a gated pilot |
-
2001
- 2001-08-09 US US09/927,869 patent/US6795489B2/en not_active Expired - Fee Related
-
2002
- 2002-08-08 CN CNA028155300A patent/CN1539209A/zh active Pending
- 2002-08-08 DE DE60225025T patent/DE60225025T2/de not_active Expired - Lifetime
- 2002-08-08 AT AT02768494T patent/ATE386371T1/de not_active IP Right Cessation
- 2002-08-08 KR KR1020047002012A patent/KR101017547B1/ko not_active IP Right Cessation
- 2002-08-08 WO PCT/US2002/025470 patent/WO2003015307A2/en active IP Right Grant
- 2002-08-08 JP JP2003520106A patent/JP4184267B2/ja not_active Expired - Fee Related
- 2002-08-08 EP EP02768494A patent/EP1425862B1/en not_active Expired - Lifetime
- 2002-08-09 TW TW91118009A patent/TW576059B/zh active
-
2004
- 2004-06-21 US US10/873,431 patent/US7602840B2/en not_active Expired - Fee Related
-
2008
- 2008-06-19 JP JP2008160465A patent/JP4335959B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ATE386371T1 (de) | 2008-03-15 |
DE60225025T2 (de) | 2008-09-04 |
KR101017547B1 (ko) | 2011-02-28 |
TW576059B (en) | 2004-02-11 |
DE60225025D1 (de) | 2008-03-27 |
JP2004538711A (ja) | 2004-12-24 |
JP4184267B2 (ja) | 2008-11-19 |
US20030031144A1 (en) | 2003-02-13 |
WO2003015307A2 (en) | 2003-02-20 |
US6795489B2 (en) | 2004-09-21 |
JP2009010950A (ja) | 2009-01-15 |
EP1425862B1 (en) | 2008-02-13 |
JP4335959B2 (ja) | 2009-09-30 |
WO2003015307A3 (en) | 2003-08-07 |
US20040228308A1 (en) | 2004-11-18 |
KR20040017859A (ko) | 2004-02-27 |
US7602840B2 (en) | 2009-10-13 |
EP1425862A2 (en) | 2004-06-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
WD01 | Invention patent application deemed withdrawn after publication |